These Cole-Parmer® polypropylene (PP) microcentrifuge tubes come in three cap lock options for a wide range of applications.
The double-locking caps are ideal when working with valuable samples; they prevent accidental opening during inoculation or storage and are extremely leaktight.
The click-close tubes close firmly and are ideal for heating applications.
The easy-open caps eliminate stress and sore thumbs when opening, and are best for general-purpose use and storage.
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